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소숫점: 1자리 덧셈28

1
2.8
+
5.2
=
8
2
4.5
+
4.2
=
8.7
3
2.2
+
2.3
=
4.5
4
5.3
+
7.1
=
12.4
5
8.3
+
1.4
=
9.7
6
1.1
+
1.5
=
2.6
7
2.8
+
3.7
=
6.5
8
7.9
+
2.5
=
10.4
9
8.3
+
2.5
=
10.8
10
4.6
+
3.5
=
8.1
11
7.2
+
3.5
=
10.7
12
9.2
+
7.4
=
16.6
13
1.5
+
1.1
=
2.6
14
2.2
+
2.3
=
4.5
15
6.3
+
3.7
=
10